矢量掃描 的英文怎麼說
中文拼音 [shǐliángsǎomiáo]
矢量掃描
英文
vector scan-
Vector scan electron beam system
矢量掃描電子束裝置Vector scan electron beam lithography
矢量掃描電子束光刻Abstract : in this paper ， a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon. some basic equations of dual beam scan are derived ， such as ， the position vector for the incident point ， the scalar expression for reflected ray ， scan pattern on observation plane ect. the far - field asymmetry of the scanning field has been discussed
文摘:應用幾何光學理論研究了多光束轉鏡掃描場的非對稱性，導出多光束掃描入射點位置矢量、反射線標量表達式、觀察面上的掃描軌跡方程，並研究了掃描遠場的非對稱性。Methods ： fifty paired embalmed cadaveric humeri ( twenty - five pairs : fourteen from male donors and eleven from female donors ) were scanned in medial - lateral ( ml ) and anterior - posterior ( ap ) position according to the humeral retroversion by ct. images of the humeri in the transverse planes at the lowest border of neck ( lbn ), 20mm and 40mm distal of lbn ( lbn - 20 、 lbn - 40 ), isthmus, head - neck anterior - posterior ( hn - ap ) were obtained. sixty - one extracortical and intracortical parameters were measured exactly by image analytic computer software that included offset, head position, head - shaft angle, head to tuberosity height ( ht ), head thickness, curvature radius, articular surface arc ( sa ), neck diameter, isthmus position, proximal and distal border of isthmus, maximum coronal and sagittal diameter of medullary canal and thickness of cortical bone in four planes, including lbn, lbn - 20, lbn - 40 and isthmus
方法： 50根成對防腐肱骨（男14對，女11對）按肱骨頭扭轉角置於冠狀位和矢狀位，行肱骨全長，頭頸矢狀面，解剖頸下緣及其下20mm 、 40mm ，髓腔狹窄部四平面ct掃描，由ct軟體測量冠、矢狀位髓腔內外參數共61項，包括頭心?干軸距，頭位置，頭干角，頭?結節高度差，頭厚度，頭半徑，關節面張角，解剖頸直徑，髓腔狹窄部位置，解剖頸下緣及其下20mm 、 40mm和狹窄部四個平面髓腔的最大冠、矢狀徑，皮質骨厚度等。The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project
本論文針對柵格影像的變形可視化及分塊糾正展開研究，取得了以下幾方面的研究成果：一、採用科學計算可視化技術，繪制變形矢量圖、變形等值線圖和三維效果圖，實現了柵格影像變形特徵的可視化；二、提出了在格網控制點（ gcp ）數據基礎上選擇性構造顧及變形特徵的delaunay三角網，並基於構造的三角網實現了分塊糾正的方法和數學模型；三、採用vc編制了影像幾何糾正軟體，實現大比例尺掃描地形圖的糾正，並在工程中得到應用。Vectorization method based on thinning algorithm used in the design prevails currently, whose progress is : after the binary scanned map images are thinned, recognize the skeleton captured
本文採用比較流行基於細化的矢量化方法作為整體設計思想。細化地圖掃描二值圖像后，對提取出來的骨架線進行識別。After studying the nowadays methods, combining the characters of binary scanned maps images, the author designs a method to recognize and capture the digital geography information, which is based on thinning algorithm. a system is also realized by this method in the visual c + + programming environment
本文在研究、分析現有掃描圖像矢量化方法的基礎上，與地圖掃描二值圖像的特點相結合，設計了一種基於圖像細化演算法的地圖信息識別與提取的方法，並以此為理論指導在visualc + +環境下編程實現了一個自動矢量化實驗系統。The article also addresses the mechanism of vector creation for boundary scan
本文進一步分析了邊界掃描測試矢量生成機制。The majority of the test vectors are used to check the connection of the pins of the device. those vectors for connection test can be removed from the vector base for the device under test when deltascan is applied together with boundary scan test. the total vectors are therefore eliminated
測試矢量中大多數是用於測試引腳之間是否有短路或有引腳開路情況的，引入deltascan測試ic的引腳的開路和短路情況后，就可從xc5210 _ tq144的測試矢量集中去掉合併與短路，開路測試有關的測試矢量，進一步減少了邊界掃描所需的測試矢量。So here introduces a new method - the combination of boundary scan with deltascan, in which deltascan is applied to do short and open test in ict, so that the number of vectors used to test circuit short and open in boundary can be eliminated. all vector test, including boundary scan test, need to create test vectors
任何邏輯元件的矢量測試，包括邊界掃描測試，都必須先生成測試矢量，然後用這些測試矢量作為輸入端的激勵信號，因此測試矢量是矢量測試的基礎，測試矢量生成方法的難易程度和測試矢量數目是邊界掃描技術能否在實際中應用的關鍵。Vectorization, i. e. raster - to - vector conversion, is the process of analyzing the scanned image of an engineering drawing in paper form and recognizing the graphic objects in the drawing, and finally, generating the vector format file
工程圖矢量化是將紙介質工程圖紙掃描輸入計算機后，對所得的掃描圖像加以分析、識別，最終重建其中的目標對象的過程。In order to guarantee the validity of this algorithm, firstly the characteristic of an image is extracted, then the frame is divided into several blocks. in each block feature points are chosen to estimate the motion vectors according to certain scanning order
為了保證該演算法的有效性，先提取圖像的特徵，再採用分區的方法在各個分區內按一定的掃描順序選取灰度最大值點作為特徵點用於運動矢量的估計。It is seen from the result of the experiment that pseudo exhaustive test with deltascan involvement is truly a simple and practical method to produce vectors for boundary scan, it is suitable for any kinds of boundary scan devices
從試驗結果可知，偽窮舉法與deltascan相結合的確是生成邊界掃描測試矢量的一個非常簡單實用的方法，適用於任何一種邊界掃描元件的測試矢量的生成。There are a lot of methods available to create test vector. the thesis addresses their characteristics of the methods and special structure of boundary scan circuit respectively and come to a conclusion of pseudo - exchausive testing the most rational method applied to this situation
測試矢量的生成方法很多，本文在研究了各種方法的特性，以及邊界掃描電路的特殊結構后，採用了偽窮舉法生成測試矢量。The paper, in the way of math morphology, manages to classify the linear elements, the same type but different width in the scanning, and result in the two - valued linear image in the same level. in the fine division of the target image, a way of math morphology based on the double structure of cell stencil is put forward, which prevents the terminals and the acnodes from losing and also reduces effectively time in doing so. as the result of the framework of the fine division, vector method is formed in which its track is monitored by using dynamic change of pace about freeman ' s chain code
本文用數學形態學相關理論方法實現了對掃描圖像中具有同一線型但不同線寬的線狀要素進行分類，在同一層上得到同一線寬的二值線狀要素圖；在對此目標圖像進行細化時，提出了基於雙結構單元模板的數學形態學細化演算法，用該演算法對實際的線狀要素進行細化，避免了端點、孤立點等信息的丟失，且由於是并行處理，有效地提高細化速度；對于細化后的骨架線，提出了基於freeman鏈碼的動態改變步長保持精度跟蹤矢量化方法。The common map is scanned into grid map, and then vectored in mapinfo. after vectoring, vector data are matched and the spatial coordinate data of resident points, water system and other data are gained. the coordinate of reference points in the freeway are gathered by gps, then after data processing, coordinate transition, data inputting, it turn into the freeway graph, which composes the freeway electronic map with the materials subsidiary to the freeway
將普通紙質地圖經過掃描生成柵格地圖，然後在mapinfo環境下進行矢量化生成矢量化地圖，經過矢量化數據配準，確定居民點、水系等物系的空間坐標數據；利用gps採集的高速公路控制點坐標，經過數據處理、坐標轉換、錄入，最後生成高速公路圖層，和上述高速公路附屬物共同構成了完整的高速公路電子地圖。On the basis of summarizing the common principle and method of selection of system structure and setting function and means of implementation, we research mainly on such subjects as follows : firstly, we studied the implementation of text extraction and digital signature by cad secondary development technology combine with database technique. secondly, based on method for pre - processing scanning images of drawings, finally, the application of artificial neural network in engineering drawing sign character recognition was researched. in this thesis, we presented the building model and implementation method has some references to the designing work of similar system
在論述系統結構選取、功能構建以及實現技術的一般原理和方法的基礎上，進行了以下幾個方面的研究：首先研究了cad二次開發技術同數據庫技術相結合實現系統圖紙文本信息西安理工大學碩士學位論文提取和電子會簽功能，然後研究了掃描圖紙的圖像處理技術，為圖紙的矢量化和智能識別提供圖形表達準確、圖形要素和字元要素分離的數據源，最後研究了人} _神經網路技術在} _程圖紙標識字元識別中的應用。Scanning vectorization method of geological map
地質圖掃描矢量化方法On the basis of the discussion of technologies and algorithms, the paper finally realizes a raster to vector conversion software r2vp, capable of accomplishing the whole process of raster to vector conversion, which provides a basis for the later research
在技術以及演算法討論的基礎上，本文最終實現了一個光柵圖形矢量化軟體r2vp ，能夠完成從掃描圖像的二值化處理直到最後的矢量化輸出的過程，為后續的深入探索打下了基礎。Then 3d gis and its construct is introduces briefly, and the relevant background and theory are studied, such as picture segmentation, pattern recognition and vectorization technology, etc. it is discussed in detail how to realize the data entry of contour lines ( include extraction, pretreatment, vectorization and making dem ) in 3d gis by using computer graphics, image processing and visualization programming technology, and a complete set of concrete scheme to design a system recognizing automatically contour lines from scanned data of map is put forward
論文從地理信息系統領域研究應用的歷史和現狀入手，簡要介紹了三維地理信息系統及其構成，研究了相關的背景與理論知識，如圖像分割、模式識別和矢量化技術等等。論文重點闡述了如何運用計算機圖形學、圖像處理、可視化編程技術等實現三維地理信息系統等高線要素的數據輸入（即提取、預處理、矢量化和網格化生成dem數據高程模型這幾個基本內容） ，並提出了地圖掃描數據等高線自動識別系統設計的一整套具體方案。分享友人